Kevin Chung discovered that lxml, a Python binding for the libxml2 and
libxslt libraries, did not properly sanitize its input. This would
allow a malicious user to mount a cross-site scripting attack.
For the stable distribution (buster), this problem has been fixed in
We recommend that you upgrade your lxml packages.
For the detailed security status of lxml please refer to
its security tracker page at:
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
Debian Security Advisory DSA-4880-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
March 29, 2021 https://www.debian.org/security/faq